(6 pts) A coin is ipped 100 times; 56 heads and 44 tails are obtained. Let p denote the population (true) proportion (probability) of heads with this coin. To ascertain if the coin is unfair, we wish to test H0 : p = 0.5 versus H a : p 79 0.5 at the 0: = 0.05 signicance level using a score test. Which of the following is / are true? (A) The test statistic is equal to 1.20 (B) The pvalue is equal to 0.1151 (G) We have evidence that the coin is unfair